.w {
    width: 1250px;
    margin: 10px auto;
}

u {
    text-decoration: none;
}

b {
    font-weight: 400;
}


/* 引入字体样式 */

@font-face {
    font-family: 'icomoon';
    src: url('fonts/icomoon.eot?6g6aea');
    src: url('fonts/icomoon.eot?6g6aea#iefix') format('embedded-opentype'), url('fonts/icomoon.ttf?6g6aea') format('truetype'), url('fonts/icomoon.woff?6g6aea') format('woff'), url('fonts/icomoon.svg?6g6aea#icomoon') format('svg');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}


/* header部分开始 */

.top {
    padding-bottom: 20px;
    border-bottom: 3px solid #b1191a;
    margin-bottom: 20px;
}


/* header部分结束 */


/* 内容开始 */

.art {
    border: 2px solid #ddd;
    height: 673px;
    padding: 20px;
}

.art_top {
    background-color: #ececec;
    font-size: 18px;
    padding: 15px 10px;
    font-weight: 550;
}

.art_top u {
    float: right;
}

.art_top u a {
    color: #b1191a;
}

.art_top u a:hover {
    color: red;
}

.art_art {
    font-size: 18px;
    margin-top: 40px;
    text-align: center;
    height: 401px;
}

.art_art div:nth-child(2) {
    margin-left: -180px;
}

.art_art div:nth-child(3) {
    margin-left: -146px;
}

.art_art div:nth-child(3) ul {
    width: 260px;
    height: 22px;
}

.art_art div:nth-child(3) ul li {
    float: left;
    font-size: 14px;
    padding: 0 15px;
    height: 100%;
}

.art_art div:nth-child(4) {
    margin-left: -90px;
}

.art_art div {
    margin-top: 40px;
}

.art_art input {
    width: 300px;
    height: 50px;
    outline: none;
    font-size: 16px;
}

.art_art div em {
    margin-left: 25px;
    padding-left: 30px;
}

.art_art_em1 {
    background: url(../images/error.png) no-repeat 4px 3px;
}

.art_art_em2 {
    background: url(../images/success.png) no-repeat 4px 3px;
}

.art_art li:nth-child(1) {
    color: #b3b3b3;
}

.art_art li:nth-child(2) {
    background-color: #de1111;
    color: white;
}

.art_art li:nth-child(3) {
    background-color: #40b83f;
    color: white;
    margin: 0 6px;
}

.art_art li:nth-child(4) {
    background-color: #f79100;
    color: white;
}

.art_boottom {
    width: 350px;
    height: 40px;
    line-height: 40px;
    font-size: 15px;
    margin-left: 326px;
}

.art_boottom input {
    width: 14px;
    height: 14px;
    position: relative;
    top: 2px;
    left: 4px;
    margin-right: 8px;
}

.art_boottom a {
    margin-left: 25px;
    color: #1ba1e6;
}

.art_boottom a:hover {
    color: red;
}

.btn {
    border: 1px solid seagreen;
    margin-top: 30px;
    height: 50px;
    width: 300px;
    margin-left: 375px;
}

.btn button {
    width: 300px;
    height: 100%;
    font-size: 18px;
    color: white;
    background-color: #b1191a;
    border: 0;
}

.btn button:hover {
    background-color: red;
}


/* 内容结束 */


/* 底部开始 */

.footer_self {
    width: 100%;
    background-color: #f5f5f5;
}

.footer_footer {
    padding-bottom: 250px;
}

.footer_footer ul {
    width: 100%;
    height: 40px;
}

.footer_footer ul li {
    float: left;
    border-right: 2px solid #ccc;
    height: 19px;
    font-size: 14px;
    padding: 0 20px;
    margin: 10px 0;
}

.w .footer_footer ul li:last-child {
    border: 0;
}

.footer_footer p,
.last_footer {
    text-align: center;
}


/* 底部结束 */